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note.h

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00001 #ifndef __NOTE_H_INCLUDED__
00002 #define __NOTE_H_INCLUDED__
00003 
00004 // $Id$
00005 
00006 //**********************************************************************
00007 //                                                                     *
00008 //    Description:   Abstract interface for hardware to produce sound  *
00009 //                   for a single note.                                *
00010 //                                                                     *
00011 //    Author:        Chris White (whitecf@bcs.org.uk)                  *
00012 //                                                                     *
00013 //    Copyright (C) 2003  Monitor Computing Services Ltd.              *
00014 //                                                                     *
00015 //    This program is free software; you can redistribute it and/or    *
00016 //    modify it under the terms of the GNU General Public License      *
00017 //    as published by the Free Software Foundation; either version 2   *
00018 //    of the License, or any later version.                            *
00019 //                                                                     *
00020 //    This program is distributed in the hope that it will be useful,  *
00021 //    but WITHOUT ANY WARRANTY; without even the implied warranty of   *
00022 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
00023 //    GNU General Public License for more details.                     *
00024 //                                                                     *
00025 //    You should have received a copy of the GNU General Public        *
00026 //    License (http://www.gnu.org/copyleft/gpl.html) along with this   *
00027 //    program; if not, write to:                                       *
00028 //       The Free Software Foundation Inc.,                            *
00029 //       59 Temple Place - Suite 330,                                  *
00030 //       Boston, MA  02111-1307,                                       *
00031 //       USA.                                                          *
00032 //                                                                     *
00033 //**********************************************************************
00034 //                                                                     *
00035 //    Notes:                                                           *
00036 //                                                                     *
00037 //**********************************************************************
00038 
00039 
00040 
00041 namespace Monitor {
00042 namespace Utility {
00043 
00047 class Note
00048 {
00049 public:
00053      struct Busy {};
00054 
00055 
00059     Note() {;}
00060 
00064     virtual ~Note() {;}
00065 
00071     virtual void
00072     sound() const
00073     throw (Busy) = 0;
00074 };
00075 
00076 };  // namespace Utility
00077 };  // namespace Monitor
00078 
00079 #endif // __NOTE_H_INCLUDED__

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